13344444 has 18 divisors (see below), whose sum is σ = 33731880. Its totient is φ = 4448136.

The previous prime is 13344433. The next prime is 13344449. The reversal of 13344444 is 44444331.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13344449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185304 + ... + 185375.

Almost surely, 2^13344444 is an apocalyptic number.

It is an amenable number.

13344444 is an abundant number, since it is smaller than the sum of its proper divisors (20387436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13344444 is a wasteful number, since it uses less digits than its factorization.

13344444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370689 (or 370684 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 13344444 is about 3653.0047905799. The cubic root of 13344444 is about 237.1920677723.

Adding to 13344444 its reverse (44444331), we get a palindrome (57788775).

It can be divided in two parts, 1334 and 4444, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 13344444 in words is "thirteen million, three hundred forty-four thousand, four hundred forty-four".